利用分子束质谱结合真空紫外同步辐射光电离技术研究了低压层流预混二甲醚/氧气/氩气火焰.通过测量火焰物种的离子信号强度随燃烧炉位置的关系曲线,计算了主要火焰物种的摩尔分数曲线.分析了燃料当量比(φ)为0.8,1.0和1.5时主要火焰物种的摩尔分数曲线,阐述了燃烧当量比对低压层流预混二甲醚/氧气/氩气火焰化学结构的影响.研究为进一步认识二甲醚燃烧提供了实验数据.
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